74HC138 PDF

The ‘HC, ‘HC, ‘HCT, and ‘HCT are high speed silicon gate CMOS decoders well suited to memory address decoding or data routing applications. C. • Balanced Propagation Delay and Transition Times. • Significant Power Reduction Compared to LSTTL. Logic ICs. • HC Types. – 2 V to 6 V Operation. 3-to-8 Line Decoder/Demultiplexer. Specifications. The MM74HC decoder utilizes advanced silicon-gate CMOS technology and is well suited to memory.

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Sep 25, 7. I think I’ll use that approach to begin with and see how it goes Thanks again! Thanks, actually I did think of that solution being a possibility.

Help needed: Alter simple circuit with 74HC138

This is what I want: Help With Simple Circuit Posted by tim. Sep 26, 8. Sep 24, 3.

Sep 25, 6. I’ve verified that I have access to theand I’ve looked at the ‘s datasheet but can’t see how I’m suppose to implement it. Quote of the day. Your name or email address: Sep 25, 5.


Sep 24, 1. You could do it via a matrix of diodes, but that’s cheating. You May Also Like: Sep 24, 4 0. And I guess it would be the simplest way of dealing with this. And that’s not really the output I want.

Help needed: Alter simple circuit with 74HC | All About Circuits

There are at leastresults, some with detailed descriptions and circuit diagram. Photon Wrangling with Nano-Antennae Good news for those looking forward to quantum computing. I don’t see how the can ever do this job. Posted by rochler in forum: Hi there, I’ve just begun studying digital electronics, and I have to do a small project. Take another look at the 47hc138 table.

Yes, I can’t alter the number of LEDs. Help needed with a simple radio circuit Posted by AlwaysNumber1 in forum: Understanding Actuation and Voltage Polarity This technical brief will explore some fundamental details related to solenoid operation and implementation.

Sep 24, 2. Help with simple circuit I really appreciate your help. See what inverting the address bits does for you. If using a 74HC driven by a microcontroller is a possibility–then yes, do it that way. Do you already have an account? Sep 28, No, create an account now. Or get rid of the 74HC and use a 74HC 47hc138. Apr 20, 15, Yes, my password is: Inverting the address bits??


I’m not sure yet which components I have access to besides the 74HC 74hx138 some simple logic gates, but any suggestions 74c138 very much welcome at this point. Sep 25, 4.

I don’t get it.